Description of problem:
When you set a new configuration for your mouse speed on Mouse & Touchpad, it won't apply to your touchpad, only to your external mouse.

Version-Release number of selected component (if applicable):
N/A

How reproducible:
Easily

Steps to Reproduce:
1. Open Mouse & Touchpad;
2. Go to Mouse -> Mouse Speed;
3. Change the speed to minimum/maximum;
4. Your touchpad won't be affected by those changes, but your mouse, yes.

Expected results:
The settings should apply to both devices.

Additional info:
I was able to reproduce this issue on a Dell and a Thinkpad. Both running Fedora 34 updated to this day.